{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2024-27067",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-27067",
    "idYear": 2024,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-01T13:04:16.051Z",
    "updatedAt": "2026-05-23T15:41:48.473Z",
    "importedAt": "2026-10-24T01:57:07.518Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "xen/evtchn: avoid WARN() when unbinding an event channel",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen/evtchn: avoid WARN() when unbinding an event channel\n\nWhen unbinding a user event channel, the related handler might be\ncalled a last time in case the kernel was built with\nCONFIG_DEBUG_SHIRQ. This might cause a WARN() in the handler.\n\nAvoid that by adding an \"unbinding\" flag to struct user_event which\nwill short circuit the handler.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3c8f5965a99397368d3762a9814a21a3e442e1a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "99e425032c6ec13584d3cd33846e0c7307501b47"
            },
            {
              "version": "9e90e58c11b74c2bddac4b2702cf79d36b981278",
              "status": "affected",
              "versionType": "git",
              "lessThan": "35485dad6e28f9b17884764d4692b1655cb848d0"
            },
            {
              "version": "9e90e58c11b74c2bddac4b2702cf79d36b981278",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9e2d4b58c1da48a32905802aaeadba7084b46895"
            },
            {
              "version": "9e90e58c11b74c2bddac4b2702cf79d36b981278",
              "status": "affected",
              "versionType": "git",
              "lessThan": "51c23bd691c0f1fb95b29731c356c6fd69925d17"
            },
            {
              "version": "6.6.19",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.23"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.7"
            },
            {
              "version": "6.6.23",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.7.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.*"
            },
            {
              "version": "6.8.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.8.*"
            },
            {
              "version": "6.9",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}